Three Mile Bay Weather Forecast

    • 51
    • 64

    Rain Showers Likely

    • 55
    • 57

    Sunny

    • 60
    • 62

    Mostly Sunny

    • 59
    • 64

    Partly Sunny

    • 60
    • 63

    Mostly Sunny

    • 60
    • 63

    Partly Sunny

Today 18 Dec Lower St. Bernard

Partly sunny. Patchy fog. Near steady temperature in the upper 60s. Southwest Winds 5 to 10 Mph.

Tonight 18 Dec Lower St. Bernard

Patchy fog in the evening. Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows around 50. West Winds 10 to 15 Mph, becoming north 15 to 20 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Mile Bay Temperature Statistics

December Temperature

Bay St. Louis, Stennis International Airport (23 miles)

  • Lowest 15 December, 2025

    26.6 °F

  • Average December

    52.4 °F

  • Highest 13 December, 2025

    77 °F

Climate (2020–Present)

Bay St. Louis, Stennis International Airport (23 miles)

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  • Average Low 2020–2025

    59.9 °F

  • Average 2020–2025

    71.2 °F

  • Average High 2020–2025

    78 °F
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